The TriStar Viper series semi-automatic gas-operated shotguns are reliable, functional, and hard-working. They come standard with a 3" chamber to take 2-3/4" or 3" shells. Chambers are chrome-lined and barrels are threaded for the Beretta/Benelli style choke tubes. Other premium features include a manual E-Z Load magazine cut-off and a ventilated rib with a matted sight plane. This shotgun has a fiber-optic front sight, a cross-bolt safety, and full, modified, and improved cylinder choke tubes. Its stock and metal are in good condition and its bore is in very good condition.